Desk telephone set



FIG. 1 is a front top and right side perspective view of a desk telephone set showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being substantially a mirror image except for the control units; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for desk telephone set, as shown and described. 